calibrator — calibrate ► VERB 1) mark (a gauge or instrument) with a standard scale of readings. 2) compare the readings of (an instrument) with those of a standard. 3) adjust (experimental results) to take external factors into account or to allow comparison … English terms dictionary

calibrator — A standard or reference material or substance used to standardize or calibrate an instrument or laboratory procedure. * * * n. 1. an instrument used for measuring the size of a tube or opening. 2. an instrument used for dilating a tubular part,… … Medical dictionary